Contrel EMA11, User Manual, Page: 10 / 58

EMA11 - USER MANUAL
-10-
2.6) MEASURING & CALCULATION FORMULAS
( )
dt
W Li
WhLi
ALi
W Li
PF Li
QLi
W Li
W Li
Li
I LiN V LiN ALi
P
iLi
∆ k
vLiNk
QLi
P
iLik vLiNk
W Li
P
i
LiNk
I Li
P
v
LiN k
V LiN
P
k
P
k
P
k
P
k
∫
∞
=
=
+
=
⋅ =
∑
−
⋅
=
∑
⋅
=
=
=
=
=
=
=
∑
∑
0
Energy Active
Factor Power
2
2
cos Cos
Power Appearent
Power Reactive
Power Active
2
RMS Current Line
2
RMS Voltage Phase
1
1
1
1
ϕ ϕ